Now, in general, the produce of antibiotic is firstly extracted by clarification and solvent, and is separated from fermentation liquid and at last do the vacuum evaporation of the liquid extraction.
现代抗生素的生产一般首先是通过澄清和溶剂萃取从发酵液中加以分离，在对萃取液进行真空蒸发制得。
The Ethiopians say they are keen to go but do not want to leave a security vacuum.
埃塞俄比亚人表示他们乐于离开但不想留下一个安全真空。
But experience has taught the physicists never to open a window because, when they do, all the air rushes out and leaves the room a vacuum.
但是经验告诉物理学家们不可以打开任何一扇窗子，不然空气就会冲出去，使房间变成真空。
These situations don't happen everyday but when they do it feels like I'm being sucked in by a vacuum and I can't fight the power of the suction.
这些情况不会每天都发生，但是当发生了，感觉就像自己被一个吸尘器吸入一样，而且，我无法去击败那这种吸力。
To do a simple clean the inside of a car, car dust removal, use vacuum to dust mat and seats in the gap.
要对车内做一次简单的打扫，除去车内的尘土，用吸尘器吸去脚垫及坐椅缝隙中的灰尘。
A set of this machine can do the integrated operations of vacuum, heating, cooling.
本机一台可做真空、加热、冷却，一贯作业。
Pumps do not actually suck ; rather , pumps create a partial vacuum into which atmospheric pressure pushes water via the suction pipework.
水泵并不是实际的吸：更确切的说，水泵产生非完全的真空，然后大气压力将水通过吸管推进水泵中。
Jack, you know how to use the vacuum cleaner. Would you please do the rugs and the floors?
杰克，你知道吸尘器怎么用，请你清理地毯和地板，好不好？
Then Susan and I go upstairs to make the beds, dust upstairs and downstairs, and do the carpets with my vacuum cleaner.
然后我和苏珊一起上楼去铺床，掸扫楼上和楼下的灰尘，用真空吸尘器清除地毯上的灰尘。
The automatic electric system is the best system for those who do not have an air compressor, or do not want an air-powered vacuum system.
对于没有空气压缩机或不需要气动真空系统的客户，自动电动系统是最好的系统。
USB vacuum Do you know the dirtiest parts of your desk are probably your keyboard and mousey?
usb真空吸尘器你知道你的台式电脑最肮脏的部分可能是你的键盘和鼠标吗？
The super-wide speed adjusting range, the stably operational capacity, the high vacuum rate and temperature gradient, made the equipment possible to do much forefront scientific research work.
超宽的调速范围、稳定的运动性能以及高 的真空度和温度梯度使该设备能够完成许多前沿性的科学研究工作。
This semester we were busy working on the vacuum cleaner design. Everyone has his own things to do, we all respect other's ideas. So we got on very well with the project, obviously, we are very happy!
这个学期，我们主要是在忙吸尘器设计，我们组的成员分工明确，而且都很尊重各自的意见，所以基本上没有出现什么分歧，合作的非常愉快！
This article takes the vacuum column equipment for an example to do the external pressed vessel machinery design by using of computer programs.
本文以真空操作塔为例，辅助计算机程序以完成外压容器的机械设计。
Extraterrestrial Environment: How It Affects the Way Things Work or Do Not Work vacuum and high pressure, low and high temperature, gravity or lack of, geological uncertainty;
第二讲：太空环境：如真空或高压，低温或高温，高重力或低重力以及地质的不确定性是如何影响机械的工作性能的；
Do you know how to use the vacuum cleaner?
你知道怎么用吸尘器吗？
If you happen to get home before we do, why not take vacuum the living room or throw in a load of laundry?
如果你自动地把垃圾倒掉，当你回来的时候你极可能会得到豪情一吻。
A strong interaction exists between the vacuum cycle and the heating cycle on the crank gear box (do or not do the heating cycle?)
曲轴齿箱中的真空循环与加热循环之间存在的巨大交互感应(做还是不做加热循环？)
A strong interaction exists between the vacuum cycle and the heating cycle on the crank gear box (do or not do the heating cycle?)
曲轴齿箱中的真空循环与加热循环之间存在的巨大交互感应(做还是不做加热循环？)
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